UL 489-2002 标准详情
- 标准号:UL 489-2002
- 中文标题:模制断路器,模制开关器和断路器外壳
- 英文标题:(Molded-case circuit breakers, molded-case switches, and circuit-breaker enclosures
- 标准类别:美国保险商实验室标准UL
- 发布日期:2002-04
1 SCOPE1.1 THE REQUIREMENTS OF THIS STANDARD COVER MOLDED-CASE CIRCUIT BREAKERS, CIRCUIT BREAKER AND GROUND-FAULT CIRCUIT-INTERRUPTERS, FUSED CIRCUIT BREAKERS, AND ACCESSORY HIGH-FAULT PROTECTORS. THESE CIRCUIT BREAKERS ARE SPECIFICALLY INTENDED TO P
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